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      "text": "Important"
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      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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        "url": "https://www.first.org/tlp/"
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    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Red Hat OpenShift Service Mesh 3.1.12\n\nThis update has a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Red Hat OpenShift Service Mesh 3.1.12, which is based on the open source Istio project, addresses a variety of problems in a microservice architecture by creating a centralized point of control in an application.\n\nSecurity Fix(es):\n\n* CVE-2026-39825 openshift-service-mesh/istio-proxyv2-rhel9: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15831)\n* CVE-2026-39825 openshift-service-mesh/istio-pilot-rhel9: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15831)\n* CVE-2026-39825 openshift-service-mesh/istio-cni-rhel9: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15831)\n* CVE-2026-39825 openshift-service-mesh/istio-rhel9-operator: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls (OSSM-15831)\n* CVE-2026-56859 openshift-service-mesh/istio-proxyv2-rhel9: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15410)\n* CVE-2026-56859 openshift-service-mesh/istio-pilot-rhel9: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15410)\n* CVE-2026-56859 openshift-service-mesh/istio-cni-rhel9: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15410)\n* CVE-2026-56859 openshift-service-mesh/istio-rhel9-operator: Go: Denial of Service via XML decoding recursion depth issue (OSSM-15410)\n* CVE-2026-56853 openshift-service-mesh/istio-proxyv2-rhel9: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15426)\n* CVE-2026-56853 openshift-service-mesh/istio-pilot-rhel9: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15426)\n* CVE-2026-56853 openshift-service-mesh/istio-cni-rhel9: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15426)\n* CVE-2026-56853 openshift-service-mesh/istio-rhel9-operator: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (OSSM-15426)\n* CVE-2026-56858 openshift-service-mesh/istio-proxyv2-rhel9: Go html/template: Cross-Site Scripting via pathological input (OSSM-15440)\n* CVE-2026-56858 openshift-service-mesh/istio-pilot-rhel9: Go html/template: Cross-Site Scripting via pathological input (OSSM-15440)\n* CVE-2026-56858 openshift-service-mesh/istio-cni-rhel9: Go html/template: Cross-Site Scripting via pathological input (OSSM-15440)\n* CVE-2026-56858 openshift-service-mesh/istio-rhel9-operator: Go html/template: Cross-Site Scripting via pathological input (OSSM-15440)\n* CVE-2026-56862 openshift-service-mesh/istio-proxyv2-rhel9: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15450)\n* CVE-2026-56862 openshift-service-mesh/istio-pilot-rhel9: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15450)\n* CVE-2026-56862 openshift-service-mesh/istio-cni-rhel9: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15450)\n* CVE-2026-56862 openshift-service-mesh/istio-rhel9-operator: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (OSSM-15450)\n* CVE-2026-33818 openshift-service-mesh/istio-proxyv2-rhel9: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15460)\n* CVE-2026-33818 openshift-service-mesh/istio-pilot-rhel9: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15460)\n* CVE-2026-33818 openshift-service-mesh/istio-cni-rhel9: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15460)\n* CVE-2026-33818 openshift-service-mesh/istio-rhel9-operator: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (OSSM-15460)\n* CVE-2026-56860 openshift-service-mesh/istio-proxyv2-rhel9: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15465)\n* CVE-2026-56860 openshift-service-mesh/istio-pilot-rhel9: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15465)\n* CVE-2026-56860 openshift-service-mesh/istio-cni-rhel9: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15465)\n* CVE-2026-56860 openshift-service-mesh/istio-rhel9-operator: golang net/url: Denial of Service from quadratic complexity in path resolution (OSSM-15465)\n* CVE-2026-73513 openshift-service-mesh/istio-proxyv2-rhel9: envoy: HTTP/2 trailers without END_STREAM in oghttp2 cause heap use-after-free (OSSM-15643)\n* CVE-2026-73552 openshift-service-mesh/istio-proxyv2-rhel9: envoy: RBAC safe_regex fails to match non-UTF-8 HTTP header values (OSSM-15648)\n* CVE-2026-73547 openshift-service-mesh/istio-proxyv2-rhel9: envoy: ext_authz crash on CONNECT requests without :path pseudo-header (OSSM-15658)\n* CVE-2026-73549 openshift-service-mesh/istio-proxyv2-rhel9: envoy: scoped IPv6 handling crash for HTTP/3 clients in original DST clusters (OSSM-15663)\n* CVE-2026-50572 openshift-service-mesh/istio-proxyv2-rhel9: envoy: ext_authz use-after-free after rejecting an HTTP request (OSSM-15668)\n* CVE-2026-73546 openshift-service-mesh/istio-proxyv2-rhel9: envoy: stored XSS through dynamically generated stat names in admin interface (OSSM-15673)\n* CVE-2026-73551 openshift-service-mesh/istio-proxyv2-rhel9: envoy: path normalization bypass via dot/dot-dot segments with parameters (OSSM-15683)\n* CVE-2026-73511 openshift-service-mesh/istio-proxyv2-rhel9: envoy: path matching bypass via per-segment parameters not stripped by router (OSSM-15688)\n* CVE-2026-73548 openshift-service-mesh/istio-proxyv2-rhel9: envoy: connection poisoning through generic non-WebSocket HTTP upgrade requests (OSSM-15693)\n* CVE-2026-73550 openshift-service-mesh/istio-proxyv2-rhel9: envoy: HTTP/2 memory exhaustion via discarded Host headers not counted in limits (OSSM-15698)\n* CVE-2026-73553 openshift-service-mesh/istio-proxyv2-rhel9: envoy: RBAC authorization bypass when path-parameter stripping is enabled (OSSM-15703)\n\nFixes/Improvements:\n\n* Leaking X509 object in SSL_get0_peer_certificates() (OSSM-15075)\n* OpenSSL is using glibc allocator instead of tcmalloc (OSSM-15244)\n* Treat CRYPTO_set_mem_functions() failure as non-fatal (OSSM-15621)",
        "title": "Details"
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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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          "category": "description",
          "text": "A flaw was found in the `encoding/asn1` package in Go. An attacker could provide a specially crafted, deeply-nested Abstract Syntax Notation One (ASN.1) structure, leading to excessive recursion during the `Unmarshal` operation. This could result in stack exhaustion and a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
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          "text": "encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal",
          "title": "Vulnerability summary"
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          "text": "This is an Important denial of service flaw in the Go encoding/asn1 package, as it can be triggered remotely without authentication. An attacker can provide a malformed ASN.1 structure, causing excessive recursion during unmarshalling and leading to stack exhaustion, which can render the service unavailable.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:3310ef15ec51db6d42424b59003810ef82433bb4f216bf62c5ac06198bdf8ab8_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5fd2d9c600ae46b86402bc06496006cb13642e2a9661d90c8ab23cea9fed15ba_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:675c59668d6b8813125d25a1fda99536c841b4e8ba050d9bd1209fea886e59ac_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:f27e53966a538e5c9be9136fda6ee939b1e1ae178f50aff7225805642cf272f6_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:4271a3a1815a544168990b0c49e5b297e302c8f2ebab42a4e1347ac944d8cfe5_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6aaf6ae8457377dcb522c882d41ce528e97cb9dbc657ec006782bc0afaa0bb10_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a6f3b2871050d1d49a5a1e7acbc391d0b3d05f80be8275501bfa9a7ba277993e_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:dd1ff3d2e08595ea5ee1c077e5b049c54c0115ef02e3b5ae00203727ef4ad496_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le",
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
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        ],
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:eaa07bac206415d869c11c6b0ae35b9e69c3c5096194da011c4e59afce88576c_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:12a379e721bd69f730550f7f2b68a2515e5da29ec3d309d2268acf245a89f81c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:495a5267e462a1a7f41dbc8d21fa712d874624b2dacbaafd039ea23db35b4f26_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:eda102599f89ca316c194b296e90d0924043e6e7cc3df11f66bac84e26708a3d_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:fa6d9be050907e80d859e8ede390156bb7db72c3ffeb5b046172addb96ef9b52_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-33818"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515815",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515815"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-33818",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-33818"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33818",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33818"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/814980",
          "url": "https://go.dev/cl/814980"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80405",
          "url": "https://go.dev/issue/80405"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-5972",
          "url": "https://pkg.go.dev/vuln/GO-2026-5972"
        }
      ],
      "release_date": "2026-08-13T21:58:52.821000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:43fedbb46995785fa9a85914f3fe56dab9f73f87f436477eb02490c21f5b4034_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal"
    },
    {
      "cve": "CVE-2026-39825",
      "cwe": {
        "id": "CWE-472",
        "name": "External Control of Assumed-Immutable Web Parameter"
      },
      "discovery_date": "2026-05-07T20:01:37.714133+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2467823"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `net/http/httputil` package, specifically within the `ReverseProxy` component. This vulnerability allows the `ReverseProxy` to forward query parameters that are not visible to `Rewrite` functions. This occurs because the `ReverseProxy` does not correctly consider the `url.ParseQuery` limit on the total number of query parameters. A remote attacker could exploit this to send hidden query parameters, potentially bypassing security policies or controls implemented by `Rewrite` functions, leading to information disclosure or unexpected behavior.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/http/httputil: golang: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "A flaw was found in Go\u0027s net/http/httputil package where ReverseProxy can forward query parameters that are hidden from Rewrite or Director functions. This occurs when the number of query parameters exceeds the url.ParseQuery limit (controlled by the GODEBUG setting urlmaxqueryparams). While Red Hat ships Go-based components across many products, exploitation requires that an application use ReverseProxy with a Rewrite or Director function that relies on query parameter inspection for security enforcement, which limits the practical impact of this vulnerability.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:f27e53966a538e5c9be9136fda6ee939b1e1ae178f50aff7225805642cf272f6_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:4271a3a1815a544168990b0c49e5b297e302c8f2ebab42a4e1347ac944d8cfe5_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6aaf6ae8457377dcb522c882d41ce528e97cb9dbc657ec006782bc0afaa0bb10_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a6f3b2871050d1d49a5a1e7acbc391d0b3d05f80be8275501bfa9a7ba277993e_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:dd1ff3d2e08595ea5ee1c077e5b049c54c0115ef02e3b5ae00203727ef4ad496_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le",
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
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        ],
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:eaa07bac206415d869c11c6b0ae35b9e69c3c5096194da011c4e59afce88576c_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:12a379e721bd69f730550f7f2b68a2515e5da29ec3d309d2268acf245a89f81c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:495a5267e462a1a7f41dbc8d21fa712d874624b2dacbaafd039ea23db35b4f26_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:eda102599f89ca316c194b296e90d0924043e6e7cc3df11f66bac84e26708a3d_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:fa6d9be050907e80d859e8ede390156bb7db72c3ffeb5b046172addb96ef9b52_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-39825"
        },
        {
          "category": "external",
          "summary": "RHBZ#2467823",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467823"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-39825",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-39825"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-39825",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39825"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/770541",
          "url": "https://go.dev/cl/770541"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/78948",
          "url": "https://go.dev/issue/78948"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M",
          "url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4976",
          "url": "https://pkg.go.dev/vuln/GO-2026-4976"
        }
      ],
      "release_date": "2026-05-07T19:41:18.453000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5fd2d9c600ae46b86402bc06496006cb13642e2a9661d90c8ab23cea9fed15ba_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:675c59668d6b8813125d25a1fda99536c841b4e8ba050d9bd1209fea886e59ac_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:f27e53966a538e5c9be9136fda6ee939b1e1ae178f50aff7225805642cf272f6_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:4271a3a1815a544168990b0c49e5b297e302c8f2ebab42a4e1347ac944d8cfe5_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6aaf6ae8457377dcb522c882d41ce528e97cb9dbc657ec006782bc0afaa0bb10_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a6f3b2871050d1d49a5a1e7acbc391d0b3d05f80be8275501bfa9a7ba277993e_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:dd1ff3d2e08595ea5ee1c077e5b049c54c0115ef02e3b5ae00203727ef4ad496_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:43fedbb46995785fa9a85914f3fe56dab9f73f87f436477eb02490c21f5b4034_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
        {
          "category": "workaround",
          "details": "Increase the maximum number of query parameters allowed by setting the GODEBUG environment variable `urlmaxqueryparams` to a higher value (e.g., `GODEBUG=urlmaxqueryparams=20000`), or validate and enforce security controls on query parameters at the backend service rather than relying solely on the ReverseProxy\u0027s Rewrite or Director function for security filtering.",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "net/http/httputil: golang: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls"
    },
    {
      "cve": "CVE-2026-50572",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512091"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. In the external authorization (ext_authz) HTTP client, completing an authorization request can send a rejection response and destroy the client while its completion handler is still executing. A remote attacker could exploit this timing condition to trigger a use-after-free flaw, crashing the proxy and causing a Denial of Service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: ext_authz use-after-free after rejecting an HTTP request",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is evaluated as having a Moderate impact for Red Hat products because triggering the crash requires non-default configurations and specific timing conditions, limiting the impact to denial of service without compromising system confidentiality or integrity. In typical OpenShift Service Mesh deployments, external authorization using an HTTP-based service is an optional extension rather than an enabled-by-default capability. When configured, an untrusted client must induce a race condition during authorization failure handling, terminating the proxy process but not allowing remote code execution or data leakage.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-50572"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512091",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512091"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-50572",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-50572"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-50572",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50572"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
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          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: envoy: ext_authz use-after-free after rejecting an HTTP request"
    },
    {
      "cve": "CVE-2026-56853",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-13T22:14:53.561638+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515827"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `net/http` component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the `ReadHeaderTimeout` is not correctly applied during this process. This oversight could allow a remote attacker to maintain open connections indefinitely, potentially leading to a Denial of Service (DoS) by exhausting server resources.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Important: Unencrypted HTTP/2 servers are susceptible to a denial of service due to improper handling of ReadHeaderTimeout during the client preface reading phase. This can lead to resource exhaustion and service unavailability in affected Red Hat products configured to support unencrypted HTTP/2.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56853"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515827",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515827"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56853",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56853"
        },
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-56853",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56853"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/795540",
          "url": "https://go.dev/cl/795540"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80205",
          "url": "https://go.dev/issue/80205"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
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          "summary": "https://pkg.go.dev/vuln/GO-2026-6089",
          "url": "https://pkg.go.dev/vuln/GO-2026-6089"
        }
      ],
      "release_date": "2026-08-13T21:58:53.092000+00:00",
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          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service"
    },
    {
      "cve": "CVE-2026-56858",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2026-08-13T22:16:32.034590+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515838"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `html/template` component of Go (golang). Pathological inputs could prematurely close an unescaped forward slash (\u0027/\u0027), allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting (XSS), where malicious scripts are executed in a user\u0027s browser, potentially compromising user data or actions.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "html/template: golang: Go html/template: Cross-Site Scripting via pathological input",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important cross-site scripting (XSS) vulnerability in the Go `html/template` package. Applications utilizing this package to render untrusted input are susceptible to arbitrary content injection due to a flaw in how pathological inputs are handled, potentially leading to client-side script execution.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56858"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515838",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515838"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56858",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56858"
        },
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-56858",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56858"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/807100",
          "url": "https://go.dev/cl/807100"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80435",
          "url": "https://go.dev/issue/80435"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
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          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-6091",
          "url": "https://pkg.go.dev/vuln/GO-2026-6091"
        }
      ],
      "release_date": "2026-08-13T21:58:53.354000+00:00",
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          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
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          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "html/template: golang: Go html/template: Cross-Site Scripting via pathological input"
    },
    {
      "cve": "CVE-2026-56859",
      "cwe": {
        "id": "CWE-776",
        "name": "Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)"
      },
      "discovery_date": "2026-08-13T22:16:52.493058+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515840"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `encoding/xml` package of Go. The `DecodeElement` function failed to correctly track recursion depth, which could lead to stack exhaustion. A remote attacker could exploit this vulnerability by providing a specially crafted XML input, resulting in a Denial of Service (DoS) for the affected application.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "An Important denial of service flaw affects applications utilizing the Go `encoding/xml` package. This vulnerability arises from an issue in XML decoding where a recursion depth counter fails to reset, potentially leading to stack exhaustion when processing malicious XML input.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56859"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515840",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515840"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56859",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56859"
        },
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-56859",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56859"
        },
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          "category": "external",
          "summary": "https://go.dev/cl/803320",
          "url": "https://go.dev/cl/803320"
        },
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          "category": "external",
          "summary": "https://go.dev/issue/80481",
          "url": "https://go.dev/issue/80481"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
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          "summary": "https://pkg.go.dev/vuln/GO-2026-6088",
          "url": "https://pkg.go.dev/vuln/GO-2026-6088"
        }
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      "release_date": "2026-08-13T21:58:52.959000+00:00",
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          "date": "2026-09-08T07:01:47+00:00",
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue"
    },
    {
      "cve": "CVE-2026-56860",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-13T22:13:18.319384+00:00",
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515820"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in `net/url`, a component of `golang`. This vulnerability arises when resolving relative paths that contain numerous parent directory (\u0027..\u0027) segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory allocation. This can result in a Denial of Service (DoS) due to resource exhaustion.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service flaw in the Go `net/url` package. Applications built with Go that process untrusted URLs containing parent directory segments (\u0027..\u0027) may be vulnerable to excessive resource consumption due to quadratic time complexity in path resolution. This can lead to a denial of service, impacting the availability of affected services.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x"
        ],
        "known_not_affected": [
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:12a379e721bd69f730550f7f2b68a2515e5da29ec3d309d2268acf245a89f81c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:495a5267e462a1a7f41dbc8d21fa712d874624b2dacbaafd039ea23db35b4f26_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:eda102599f89ca316c194b296e90d0924043e6e7cc3df11f66bac84e26708a3d_arm64",
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56860"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515820",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515820"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56860",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56860"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-56860",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56860"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/803681",
          "url": "https://go.dev/cl/803681"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80494",
          "url": "https://go.dev/issue/80494"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-6218",
          "url": "https://pkg.go.dev/vuln/GO-2026-6218"
        }
      ],
      "release_date": "2026-08-13T21:58:53.731000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution"
    },
    {
      "cve": "CVE-2026-56862",
      "cwe": {
        "id": "CWE-1050",
        "name": "Excessive Platform Resource Consumption within a Loop"
      },
      "discovery_date": "2026-08-13T22:16:41.928450+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2515839"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `crypto/tls` package, part of `golang`. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in the `golang` `crypto/tls` package. A remote, unauthenticated attacker can exploit this flaw by continuously sending `KeyUpdate` messages during a TLS handshake, forcing the server to perform indefinite key derivation operations. This resource exhaustion can lead to a denial of service for applications and services in Red Hat products that use the affected `crypto/tls` library and are exposed to untrusted network clients.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:43fedbb46995785fa9a85914f3fe56dab9f73f87f436477eb02490c21f5b4034_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x"
        ],
        "known_not_affected": [
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:083d716a65d38c594834ef23c1f58d82db2dadb53839b0592634642f07056898_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:eaa07bac206415d869c11c6b0ae35b9e69c3c5096194da011c4e59afce88576c_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:12a379e721bd69f730550f7f2b68a2515e5da29ec3d309d2268acf245a89f81c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:495a5267e462a1a7f41dbc8d21fa712d874624b2dacbaafd039ea23db35b4f26_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:eda102599f89ca316c194b296e90d0924043e6e7cc3df11f66bac84e26708a3d_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:fa6d9be050907e80d859e8ede390156bb7db72c3ffeb5b046172addb96ef9b52_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-56862"
        },
        {
          "category": "external",
          "summary": "RHBZ#2515839",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515839"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-56862",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-56862"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-56862",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56862"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/804261",
          "url": "https://go.dev/cl/804261"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/80528",
          "url": "https://go.dev/issue/80528"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/94pEornpRlI",
          "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-6090",
          "url": "https://pkg.go.dev/vuln/GO-2026-6090"
        }
      ],
      "release_date": "2026-08-13T21:58:53.216000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5fd2d9c600ae46b86402bc06496006cb13642e2a9661d90c8ab23cea9fed15ba_arm64",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:43fedbb46995785fa9a85914f3fe56dab9f73f87f436477eb02490c21f5b4034_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages"
    },
    {
      "cve": "CVE-2026-73511",
      "cwe": {
        "id": "CWE-706",
        "name": "Use of Incorrectly-Resolved Name or Reference"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512095"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. A remote attacker can exploit this vulnerability by submitting an HTTP request containing per-segment path parameters separated by semicolons. Due to differences in how Envoy and backend servers process these parameters, path matching rules can become misaligned, potentially allowing an attacker to bypass path-based access controls or authentication mechanisms.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: path matching bypass via per-segment parameters not stripped by router",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is classified as having a Moderate severity for Red Hat OpenShift Service Mesh because successful exploitation depends on a specific architectural misalignment between proxy routing policies and backend path parsing, limiting the overall likelihood of exposure. A bypass can occur only when Envoy handles access control or routing based on URL paths while upstream services, such as servlet containers, independently strip semicolon-delimited matrix parameters from URI segments. Deployments utilizing token-based or identity-based authentication mechanisms, or applications that do not interpret matrix parameters, are not susceptible to this routing discrepancy.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
        ],
        "known_not_affected": [
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:eaa07bac206415d869c11c6b0ae35b9e69c3c5096194da011c4e59afce88576c_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:3310ef15ec51db6d42424b59003810ef82433bb4f216bf62c5ac06198bdf8ab8_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5fd2d9c600ae46b86402bc06496006cb13642e2a9661d90c8ab23cea9fed15ba_arm64",
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x",
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73511"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512095",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512095"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73511",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73511"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73511",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73511"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
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          ]
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: envoy: path matching bypass via per-segment parameters not stripped by router"
    },
    {
      "cve": "CVE-2026-73513",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512086"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. A malicious upstream server can cause a Denial of Service (DoS) by sending HTTP/2 response trailers that lack the end-of-stream flag to a proxy configured with the optional oghttp2 codec. This malformed response corrupts the stream state and causes a use-after-free memory error when subsequent frames are received. As a result, the Envoy proxy terminates abnormally, disrupting service availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: HTTP/2 trailers without END_STREAM in oghttp2 cause heap use-after-free",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as an Important severity issue for Red Hat products because an untrusted upstream service can remotely trigger memory corruption, crashing the Envoy proxy process and causing a denial of service. The defect only affects instances where Envoy is explicitly configured to use the optional oghttp2 upstream HTTP/2 implementation instead of the default nghttp2 codec. In OpenShift Service Mesh environments, risk is isolated to deployments that route requests to untrusted backend destinations with this optional parser enabled.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
        ],
        "known_not_affected": [
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:eaa07bac206415d869c11c6b0ae35b9e69c3c5096194da011c4e59afce88576c_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:3310ef15ec51db6d42424b59003810ef82433bb4f216bf62c5ac06198bdf8ab8_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5fd2d9c600ae46b86402bc06496006cb13642e2a9661d90c8ab23cea9fed15ba_arm64",
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6aaf6ae8457377dcb522c882d41ce528e97cb9dbc657ec006782bc0afaa0bb10_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a6f3b2871050d1d49a5a1e7acbc391d0b3d05f80be8275501bfa9a7ba277993e_s390x",
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:43fedbb46995785fa9a85914f3fe56dab9f73f87f436477eb02490c21f5b4034_amd64",
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73513"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512086",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512086"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73513",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73513"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73513",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73513"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
        {
          "category": "workaround",
          "details": "Ensure upstream HTTP/2 clusters rely on the default nghttp2 codec rather than enabling the optional oghttp2 codec. Where possible, restrict proxy routing configurations to communicate exclusively with trusted internal backend services.\n\nModifying upstream cluster configurations or rolling out configuration changes requires restarting or reloading affected proxy pods or services, which can cause brief connection interruptions.",
          "product_ids": [
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: HTTP/2 trailers without END_STREAM in oghttp2 cause heap use-after-free"
    },
    {
      "cve": "CVE-2026-73546",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512092"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. The administrative HTML statistics interface does not properly encode dynamic statistic names before displaying them, leading to a stored cross-site scripting (XSS) vulnerability. A remote attacker can exploit this by sending crafted requests that cause Envoy to store malicious script content within dynamically generated statistic names. When an administrator accesses the statistics page in a web browser, the injected code executes with administrative permissions, potentially allowing the attacker to perform unauthorized actions or access sensitive administrative data.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: stored XSS through dynamically generated stat names in admin interface",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as Important severity because an unauthenticated network attacker sending crafted requests can inject persistent script content into metric identifiers, which executes in the context of the administrative control interface. In Red Hat OpenShift Service Mesh and Red Hat Insights environments using Envoy, this enables stored cross-site scripting attacks that can compromise administrator sessions and trigger privileged control operations. The risk is elevated over Moderate due to the high confidentiality and integrity impact on the management plane, though successful exploitation depends on filter configurations generating dynamic metric names and an operator viewing the HTML interface via an interactive web browser.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
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        ],
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          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73546"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512092",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512092"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73546",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73546"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73546",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73546"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
        {
          "category": "workaround",
          "details": "To mitigate exposure without patching, apply the following operational and configuration controls:\n\n1. Restrict administrative interface reachability: Isolate the Envoy administrative interface (typically listening on port 15000 in OpenShift Service Mesh deployments). Ensure it is accessible only via localhost or strictly controlled internal networks by applying OpenShift NetworkPolicies or firewall rules.\n\n2. Avoid interactive browser access to HTML stats: Do not render `/stats?format=html` in an interactive web browser. Use automated metric collectors or command-line tools to query text or JSON representations instead (e.g., `curl http://localhost:15000/stats` or `curl http://localhost:15000/stats?format=json`).\n\n3. Reconfigure dynamic metric filters: Avoid configurations and extensions that generate dynamic statistic names based on untrusted incoming traffic, such as disabling `stats_for_all_methods` in gRPC stats filters.\n\nCaveats: Restricting the admin port may disrupt external monitoring tools or custom diagnostic automation that query the management interface. Reconfiguring Envoy proxy settings requires restarting or reloading proxy instances, which may briefly interrupt active network sessions.",
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          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: stored XSS through dynamically generated stat names in admin interface"
    },
    {
      "cve": "CVE-2026-73547",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
          "product_ids": [
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512089"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by crashing the Envoy process. When the external authorization filter is configured to modify query parameters, it fails to verify whether a request path header exists before processing it. An attacker can exploit this issue by sending a specially crafted HTTP CONNECT request missing the path header, leading to an abnormal process termination.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: ext_authz crash on CONNECT requests without :path pseudo-header",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as Important because an unauthenticated remote client can cause a denial of service by crashing the Envoy proxy process. The flaw requires specific deployment conditions in OpenShift Service Mesh, specifically where the external authorization (ext_authz) filter is active and configured to mutate query parameters while processing HTTP CONNECT requests. Deployments that do not use external authorization or do not perform query parameter modifications on such traffic are not vulnerable.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73547"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512089",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512089"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73547",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73547"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73547",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73547"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
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          ]
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: ext_authz crash on CONNECT requests without :path pseudo-header"
    },
    {
      "cve": "CVE-2026-73548",
      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512096"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. This vulnerability allows an unauthenticated remote attacker to cause information disclosure through cross-user response poisoning. By sending request data during a generic HTTP upgrade before the upstream server accepts the connection upgrade, the premature data is processed as a pipelined request on a shared connection. Consequently, the contaminated connection in the shared pool can return sensitive response data intended for one user to an unintended client.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: connection poisoning through generic non-WebSocket HTTP upgrade requests",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as having an Important severity because an unauthenticated remote client can poison shared upstream connections, leading to cross-user response disclosure without requiring user privileges. OpenShift Service Mesh proxies (istio-proxy) and Envoy deployments are susceptible when configured to route generic, non-WebSocket HTTP upgrade requests toward HTTP/1.1 upstreams with connection reuse enabled. Standard HTTP operations and WebSocket upgrades remain unaffected, confining exposure to configurations utilizing custom protocol upgrades.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
        ],
        "known_not_affected": [
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:083d716a65d38c594834ef23c1f58d82db2dadb53839b0592634642f07056898_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:eaa07bac206415d869c11c6b0ae35b9e69c3c5096194da011c4e59afce88576c_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:3310ef15ec51db6d42424b59003810ef82433bb4f216bf62c5ac06198bdf8ab8_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5fd2d9c600ae46b86402bc06496006cb13642e2a9661d90c8ab23cea9fed15ba_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:675c59668d6b8813125d25a1fda99536c841b4e8ba050d9bd1209fea886e59ac_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:f27e53966a538e5c9be9136fda6ee939b1e1ae178f50aff7225805642cf272f6_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:12a379e721bd69f730550f7f2b68a2515e5da29ec3d309d2268acf245a89f81c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:495a5267e462a1a7f41dbc8d21fa712d874624b2dacbaafd039ea23db35b4f26_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:eda102599f89ca316c194b296e90d0924043e6e7cc3df11f66bac84e26708a3d_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:fa6d9be050907e80d859e8ede390156bb7db72c3ffeb5b046172addb96ef9b52_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:4271a3a1815a544168990b0c49e5b297e302c8f2ebab42a4e1347ac944d8cfe5_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6aaf6ae8457377dcb522c882d41ce528e97cb9dbc657ec006782bc0afaa0bb10_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a6f3b2871050d1d49a5a1e7acbc391d0b3d05f80be8275501bfa9a7ba277993e_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:dd1ff3d2e08595ea5ee1c077e5b049c54c0115ef02e3b5ae00203727ef4ad496_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:43fedbb46995785fa9a85914f3fe56dab9f73f87f436477eb02490c21f5b4034_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73548"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512096",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512096"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73548",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73548"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73548",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73548"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
        {
          "category": "workaround",
          "details": "To mitigate this issue:\n\n1. Remove generic, non-WebSocket HTTP upgrade configurations from routes or listeners if custom protocol upgrades are not required.\n\n2. If generic HTTP upgrades are necessary, prevent upstream connection reuse by configuring `max_requests_per_connection: 1` on the affected upstream cluster. In OpenShift Service Mesh, configure an Istio DestinationRule for the target service:\n\n```yaml\napiVersion: networking.istio.io/v1beta1\nkind: DestinationRule\nmetadata:\n  name: disable-connection-reuse\nspec:\n  host: \u003ctarget-service\u003e\n  trafficPolicy:\n    connectionPool:\n      http:\n        maxRequestsPerConnection: 1\n```\n\nFor standalone Envoy instances, define the setting under the upstream cluster configuration:\n\n```yaml\nclusters:\n  - name: \u003cupstream-cluster\u003e\n    max_requests_per_connection: 1\n```\n\nCaveats: Setting maximum requests per connection to 1 terminates connections after a single transaction, which can increase latency and CPU utilization on proxies and backends due to repeated connection handshakes.\n\nWarning: Modifying proxy configurations will initiate a configuration reload and may require restarting proxy pods to flush and terminate existing upstream connection pools.",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:083d716a65d38c594834ef23c1f58d82db2dadb53839b0592634642f07056898_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:eaa07bac206415d869c11c6b0ae35b9e69c3c5096194da011c4e59afce88576c_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:3310ef15ec51db6d42424b59003810ef82433bb4f216bf62c5ac06198bdf8ab8_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5fd2d9c600ae46b86402bc06496006cb13642e2a9661d90c8ab23cea9fed15ba_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:675c59668d6b8813125d25a1fda99536c841b4e8ba050d9bd1209fea886e59ac_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:f27e53966a538e5c9be9136fda6ee939b1e1ae178f50aff7225805642cf272f6_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:12a379e721bd69f730550f7f2b68a2515e5da29ec3d309d2268acf245a89f81c_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:495a5267e462a1a7f41dbc8d21fa712d874624b2dacbaafd039ea23db35b4f26_amd64",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:43fedbb46995785fa9a85914f3fe56dab9f73f87f436477eb02490c21f5b4034_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: connection poisoning through generic non-WebSocket HTTP upgrade requests"
    },
    {
      "cve": "CVE-2026-73549",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512090"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. An attacker could cause a Denial of Service (DoS) by sending network requests using scoped Internet Protocol version 6 (IPv6) client addresses. Due to improper parsing when copying network addresses in original destination routing configurations and HTTP/3 connections, the application terminates unexpectedly, interrupting service availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: scoped IPv6 handling crash for HTTP/3 clients in original DST clusters",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as Moderate severity because it results in denial of service through an Envoy proxy crash without compromising system confidentiality or integrity. Exploitation requires specific deployment conditions, specifically processing traffic from scoped IPv6 client addresses over HTTP/3 or within original destination cluster configurations. In standard Red Hat OpenShift Service Mesh environments, such configurations and scoped IPv6 routing are uncommon, significantly reducing exposure for typical workloads.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73549"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512090",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512090"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73549",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73549"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73549",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73549"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
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          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
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          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: envoy: scoped IPv6 handling crash for HTTP/3 clients in original DST clusters"
    },
    {
      "cve": "CVE-2026-73550",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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          ]
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512097"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. An unauthenticated remote attacker can cause a Denial of Service (DoS) by exhausting system memory and crashing the proxy process. This vulnerability occurs because Envoy fails to count discarded duplicate Host header values against request header size and count limits during HTTP/2 processing. By sending requests with repeated indexed Host headers, an attacker can trigger excessive memory allocation, forcing the service to terminate.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: HTTP/2 memory exhaustion via discarded Host headers not counted in limits",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as Important severity because an unauthenticated remote attacker can exhaust memory and crash the proxy process over standard HTTP/2 connections without requiring special privileges or user interaction. In Red Hat OpenShift Service Mesh, Envoy is deployed by default as an ingress gateway and sidecar proxy exposed to downstream network traffic. A remote client transmitting crafted HTTP/2 requests with duplicated headers can trigger unbounded memory allocation, resulting in a denial of service for affected mesh workloads while leaving confidentiality and integrity intact.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73550"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512097",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512097"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73550",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73550"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73550",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73550"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: HTTP/2 memory exhaustion via discarded Host headers not counted in limits"
    },
    {
      "cve": "CVE-2026-73551",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512094"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. This vulnerability allows a remote attacker to bypass path-based access controls by sending requests with parameters inside dot and dot-dot URL path segments. Because Envoy fails to properly normalize these path segments, backend applications and access-control filters may interpret the requested path differently, potentially granting unauthorized access to protected resources.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: path normalization bypass via dot/dot-dot segments with parameters",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated Moderate for Red Hat OpenShift Service Mesh because unauthorized access requires a specific downstream-to-upstream parsing discrepancy where target backend services evaluate path parameters differently than the proxy. While an unauthenticated attacker could bypass path-based routing or access control by injecting parameters into dot segments, the exploitability depends heavily on specific route matching configurations. Furthermore, the issue only impacts resource exposure without compromising host integrity or enabling remote code execution, keeping the severity below Important.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73551"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512094",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512094"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73551",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73551"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73551",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73551"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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          ]
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: envoy: path normalization bypass via dot/dot-dot segments with parameters"
    },
    {
      "cve": "CVE-2026-73552",
      "cwe": {
        "id": "CWE-863",
        "name": "Incorrect Authorization"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:43fedbb46995785fa9a85914f3fe56dab9f73f87f436477eb02490c21f5b4034_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512087"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. When evaluating regular expressions in role-based access control (RBAC) policies, Envoy improperly treats non-UTF-8 characters in HTTP header values as non-matching input. A remote attacker can exploit this flaw by sending requests with specially crafted HTTP headers to bypass negative matching rules, potentially gaining unauthorized access to protected resources.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: RBAC safe_regex fails to match non-UTF-8 HTTP header values",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as an Important severity impact because unauthenticated remote attackers can bypass role-based access control (RBAC) restrictions enforced at the proxy layer to access unauthorized backend services. Within environments such as OpenShift Service Mesh, this flaw is triggered when RBAC policies employ inverted or negative matching rules against HTTP headers. If an incoming request includes arbitrary non-UTF-8 characters, Envoy fails to evaluate the pattern properly and inadvertently allows access to restricted resources instead of denying it. Deployments that rely on positive allowlists or exact header matching are unaffected by this authorization bypass.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
        ],
        "known_not_affected": [
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:083d716a65d38c594834ef23c1f58d82db2dadb53839b0592634642f07056898_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:eaa07bac206415d869c11c6b0ae35b9e69c3c5096194da011c4e59afce88576c_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:3310ef15ec51db6d42424b59003810ef82433bb4f216bf62c5ac06198bdf8ab8_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5fd2d9c600ae46b86402bc06496006cb13642e2a9661d90c8ab23cea9fed15ba_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:675c59668d6b8813125d25a1fda99536c841b4e8ba050d9bd1209fea886e59ac_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:f27e53966a538e5c9be9136fda6ee939b1e1ae178f50aff7225805642cf272f6_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:12a379e721bd69f730550f7f2b68a2515e5da29ec3d309d2268acf245a89f81c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:495a5267e462a1a7f41dbc8d21fa712d874624b2dacbaafd039ea23db35b4f26_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:eda102599f89ca316c194b296e90d0924043e6e7cc3df11f66bac84e26708a3d_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:fa6d9be050907e80d859e8ede390156bb7db72c3ffeb5b046172addb96ef9b52_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:4271a3a1815a544168990b0c49e5b297e302c8f2ebab42a4e1347ac944d8cfe5_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6aaf6ae8457377dcb522c882d41ce528e97cb9dbc657ec006782bc0afaa0bb10_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a6f3b2871050d1d49a5a1e7acbc391d0b3d05f80be8275501bfa9a7ba277993e_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:dd1ff3d2e08595ea5ee1c077e5b049c54c0115ef02e3b5ae00203727ef4ad496_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:43fedbb46995785fa9a85914f3fe56dab9f73f87f436477eb02490c21f5b4034_amd64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x",
          "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73552"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512087",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512087"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73552",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73552"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73552",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73552"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-08T07:01:47+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.1.12 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.1",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:24f10dd378af1f1cb935734efd57064881899d1d7f37333f6e7cc275b1e3a5de_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7cf632f4760c7a97847ca2cc8fc7bbe9d5285ff2ca3ea23bd49c834542d98d68_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
        },
        {
          "category": "workaround",
          "details": "Modify Envoy RBAC configurations or OpenShift Service Mesh authorization policies to avoid negative matching logic that relies on regular expressions for HTTP headers. Instead, configure policies using positive allowlists or employ non-regex matchers, such as exact, prefix, suffix, or contains matching rules, which evaluate header values reliably.\n\nCaveats: Altering existing access control policies can modify request authorization decisions. Thoroughly test modified policy definitions in a staging environment prior to applying them in production.",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:083d716a65d38c594834ef23c1f58d82db2dadb53839b0592634642f07056898_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:0ddd440ad576a9386df1c297f40cbe441abe1c2bdc7e135b4e380f3391dd42d1_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:b82183a582c81d027eb2dff9edde6d251f27ce73338b93dff3cb9c0d0121cbd1_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh-tech-preview/istio-ztunnel-rhel9@sha256:eaa07bac206415d869c11c6b0ae35b9e69c3c5096194da011c4e59afce88576c_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:3310ef15ec51db6d42424b59003810ef82433bb4f216bf62c5ac06198bdf8ab8_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5fd2d9c600ae46b86402bc06496006cb13642e2a9661d90c8ab23cea9fed15ba_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:675c59668d6b8813125d25a1fda99536c841b4e8ba050d9bd1209fea886e59ac_amd64",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:12a379e721bd69f730550f7f2b68a2515e5da29ec3d309d2268acf245a89f81c_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:495a5267e462a1a7f41dbc8d21fa712d874624b2dacbaafd039ea23db35b4f26_amd64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:eda102599f89ca316c194b296e90d0924043e6e7cc3df11f66bac84e26708a3d_arm64",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:dd1ff3d2e08595ea5ee1c077e5b049c54c0115ef02e3b5ae00203727ef4ad496_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:005a5f7c0d8dfba971609b6cffe7ff4d20ea1271ed4b7b5a99161f46d9c0f779_arm64",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:ce2ff7eed3f4692e611ada5b5a7a7e927b400618a75c38d8bfa2baecb1a9d34e_ppc64le",
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            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:505d5d1b2c6415b390ee39ee7242c6671befddc8cddbf8345904ae95c0599256_ppc64le",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:636782d2a4dc01982b448268751ebf752cd3b7aa789ad9bbc16d091111f3f71a_arm64",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:b3f3ac266130fc78dbeebec1b1d31473a98d826a9b45911620952a83de313286_s390x",
            "Red Hat OpenShift Service Mesh 3.1:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:1fc184f8a69ecfac1d9567f273dd1d37268fd7c9c8978782ae91fe5ce9d72904_amd64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: RBAC safe_regex fails to match non-UTF-8 HTTP header values"
    },
    {
      "cve": "CVE-2026-73553",
      "cwe": {
        "id": "CWE-863",
        "name": "Incorrect Authorization"
      },
      "discovery_date": "2026-08-05T00:00:00+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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          ]
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2512098"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. A remote, unauthenticated attacker can exploit this vulnerability to bypass access controls and reach protected backend endpoints. When path parameter stripping is enabled, Envoy strips parameters prior to routing requests but evaluates Role-Based Access Control (RBAC) policies against the raw, unmodified URL path. By appending path parameters to a request, an attacker can evade access restrictions and gain unauthorized access to restricted resources.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: envoy: RBAC authorization bypass when path-parameter stripping is enabled",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as Important severity because an unauthenticated remote attacker can circumvent access control rules and reach restricted endpoints without valid authorization. In environments where Envoy is configured to strip path parameters during route selection, the RBAC filter fails to apply equivalent normalization to incoming request paths. Consequently, requests containing appended parameters can evade restrictive path matchers while still routing successfully to the protected destination. Exploitation is constrained to deployments where both path-based access policies and parameter stripping are actively enabled.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-73553"
        },
        {
          "category": "external",
          "summary": "RHBZ#2512098",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512098"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-73553",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-73553"
        },
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-73553",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73553"
        }
      ],
      "release_date": "2026-08-26T13:00:00+00:00",
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          "date": "2026-09-08T07:01:47+00:00",
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          "url": "https://access.redhat.com/errata/RHSA-2026:65112"
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: envoy: RBAC authorization bypass when path-parameter stripping is enabled"
    }
  ]
}